Ink-ribbon lifting apparatus

Details Ink-ribbon lifting apparatus Ink-ribbon lifting apparatus

1981-03-30

1983-09-06

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

4002131, 400234, B41J 3508, B41J 3510, B41J 3356

Patent

active

044026226

ABSTRACT:
Ribbon lifting apparatus for a printing device having a print wheel and a ribbon cartridge. The lifting apparatus includes a pair of ribbon guides for supporting an exposed portion of a ribbon extending from an outlet opening of the ribbon cartridge to an inlet opening thereof. The pair of ribbon guides are supported by respective pairs of supporting levers which are swung in a plane parallel to the face plane of the print wheel. The pair of ribbon guides are lifted so that the lifting movement of the guides causes variation of a distance therebetween for keeping the path of the exposed length of ribbon substantially constant.

REFERENCES:
patent: 677111 (1901-06-01), Brooks
patent: 3302766 (1967-02-01), Page
patent: 3346090 (1967-10-01), Goff, Jr. et al.
patent: 3731781 (1973-05-01), Caudill et al.
patent: 4132485 (1979-01-01), Hess

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